Question 1

In a one-dimensional particle in a box, for $\Psi$4,How many nodes are predicted?

Accepted Answer

A)  1 
B)  3 
C)  0 
D)  2 
E)  4 
A)  1 
B)  3 
C)  0 
D)  2 
E)  4

Question 2

Which of the following has the largest atomic radius?

Accepted Answer

A)  S2- 
B)  Cl 
C)  Cl- 
D)  K+  
E)  S 
A)  S2- 
B)  Cl 
C)  Cl- 
D)  K+  
E)  S

Question 3

Which of the following species is isoelectronic with S2-?

Accepted Answer

A)  Mg2+  
B)  Rb+  
C)  Ar 
D)  As3- 
E)  Br- 
A)  Mg2+  
B)  Rb+  
C)  Ar 
D)  As3- 
E)  Br-

Question 4

Which of the following has the smallest atomic radius?

Accepted Answer

A)  Cl 
B)  P 
C)  S 
D)  Si 
E)  Al 
A)  Cl 
B)  P 
C)  S 
D)  Si 
E)  Al

Question 5

Which of the following has the largest atomic radius?

Accepted Answer

A)  F  
B)  O  
C)  N 
D)  C 
E)  B  
A)  F  
B)  O  
C)  N 
D)  C 
E)  B

Question 6

Which of the following is a Lyman series UV band?

Accepted Answer

A)  121.6 nm 
B)  221.6 nm 
C)  434.0 nm 
D)  121.6 cm 
E)  410.2 nm 
A)  121.6 nm 
B)  221.6 nm 
C)  434.0 nm 
D)  121.6 cm 
E)  410.2 nm

Question 7

Which of the following has the largest effective nuclear charge?

Accepted Answer

A)  Al 
B)  Si 
C)  P 
D)  S 
E)  Cl 
A)  Al 
B)  Si 
C)  P 
D)  S 
E)  Cl

Question 8

Comparing the lowest energy transition, $\Delta$, in1,3-butadiene(A) and 1,3,5,7-octatetraene(B), $\Delta$EA is greater than $\Delta$0EB.

Accepted Answer

A) True 
 B)False

Question 9

Because of fluorine's high electronegativity, less energy is required to make F2- from - than to make O2-from O-.

Accepted Answer

A) True 
 B)False

Question 10

All the following are metalloids except:

Accepted Answer

A)  B. 
B)  As. 
C)  Ge. 
D)  Sb. 
E)  Si. 
A)  B. 
B)  As. 
C)  Ge. 
D)  Sb. 
E)  Si.

Question 11

Write the ground-state electron configuration of Ru2+.

Accepted Answer

A)  [Kr]4d55s1  
B)  [Kr]4d7  
C)  [Kr]4d55p1  
D)  [Kr]4d8  
E)  [Kr]4d6 
A)  [Kr]4d55s1  
B)  [Kr]4d7  
C)  [Kr]4d55p1  
D)  [Kr]4d8  
E)  [Kr]4d6

Question 12

Write the ground-state electron configuration of a tin(IV) ion.

Accepted Answer

A)  [Kr]4d35s15p6  
B)  [Kr]4d45p6  
C)  [Kr]4d55s25p3  
D)  [Kr]4d55p5  
E)  [Kr]4d10  
A)  [Kr]4d35s15p6  
B)  [Kr]4d45p6  
C)  [Kr]4d55s25p3  
D)  [Kr]4d55p5  
E)  [Kr]4d10

Question 13

Which of the following has the highest frequency?

Accepted Answer

A)  Microwave radiation 
B)  Infrared radiation 
C)  Visible light 
D)  Ultraviolet radiation 
E)  X-rays 
A)  Microwave radiation 
B)  Infrared radiation 
C)  Visible light 
D)  Ultraviolet radiation 
E)  X-rays

Question 14

What is implied about an electron in an atom when it is observed that it has discrete spectral lines?

Accepted Answer

A)  The electron is negatively charged. 
B)  The electron is oppositely charged from the proton. 
C)  The electron circles the nucleus. 
D)  The electron can have only certain energies. 
E)  The electron has negligible mass. 
A)  The electron is negatively charged. 
B)  The electron is oppositely charged from the proton. 
C)  The electron circles the nucleus. 
D)  The electron can have only certain energies. 
E)  The electron has negligible mass.

Question 15

All the following are diatomic gases except

Accepted Answer

A)  Hydrogen. 
B)  Fluorine. 
C)  Oxygen. 
D)  Neon. 
E)  Nitrogen. 
A)  Hydrogen. 
B)  Fluorine. 
C)  Oxygen. 
D)  Neon. 
E)  Nitrogen.

Question 16

What is the shortest-wavelength line in the emission spectrum of the hydrogen atom?

Accepted Answer

A)  182 nm 
B)  100 nm 
C)  122 nm 
D)  91.2 nm 
E)  1.00 nm 
A)  182 nm 
B)  100 nm 
C)  122 nm 
D)  91.2 nm 
E)  1.00 nm

Question 17

Which of the following statements is true?

Accepted Answer

A)  A p-electron penetrates more than an s-electron through the inner shells of an atom. 
B)  A p-electron penetrates less than a d-electron through the inner shells of an atom. 
C)  A p-electron has a nonzero probability density at the nucleus. 
D)  A d-electron has a nonzero probability density at the nucleus. 
E)  A p-electron experiences a smaller effective nuclear charge than an s-electron. 
A)  A p-electron penetrates more than an s-electron through the inner shells of an atom. 
B)  A p-electron penetrates less than a d-electron through the inner shells of an atom. 
C)  A p-electron has a nonzero probability density at the nucleus. 
D)  A d-electron has a nonzero probability density at the nucleus. 
E)  A p-electron experiences a smaller effective nuclear charge than an s-electron.

Question 18

Which of the following species is isoelectronic with Ra2+?

Accepted Answer

A)  I-  
B)  Kr 
C)  Xe 
D)  Rn 
E)  Fr  
A)  I-  
B)  Kr 
C)  Xe 
D)  Rn 
E)  Fr

Question 19

What wavelength does radiation possess when its frequency is 2.1 * 1015 Hz?

Accepted Answer

A)  4.1 * 10-7 cm 
B)  1.4 * 10-7 m 
C)  6.5 * 106 m 
D)  7.0 * 106 m 
E)  1.4 * 10-7 nm 
A)  4.1 * 10-7 cm 
B)  1.4 * 10-7 m 
C)  6.5 * 106 m 
D)  7.0 * 106 m 
E)  1.4 * 10-7 nm

Question 20

In everyday life, we have no difficulty in measuring both the velocity and position of objects.

Accepted Answer

A) True 
 B)False

In a one-dimensional particle in a box, for $\Psi$ ₄,How many nodes are predicted?

Which of the following has the largest atomic radius?

Which of the following species is isoelectronic with S^2-?

Which of the following has the smallest atomic radius?

Which of the following has the largest atomic radius?

Which of the following is a Lyman series UV band?

Which of the following has the largest effective nuclear charge?

Comparing the lowest energy transition, $\Delta$ , in1,3-butadiene(A) and 1,3,5,7-octatetraene(B), $\Delta$ E_A is greater than $\Delta$ 0E_B.

Because of fluorine's high electronegativity, less energy is required to make F^2- from ^- than to make O^2-from O^-.

All the following are metalloids except:

Write the ground-state electron configuration of Ru²⁺.

Write the ground-state electron configuration of a tin(IV) ion.

Which of the following has the highest frequency?

What is implied about an electron in an atom when it is observed that it has discrete spectral lines?

All the following are diatomic gases except

What is the shortest-wavelength line in the emission spectrum of the hydrogen atom?

Which of the following statements is true?

Which of the following species is isoelectronic with Ra²⁺?

What wavelength does radiation possess when its frequency is 2.1 * 10¹⁵ Hz?

In everyday life, we have no difficulty in measuring both the velocity and position of objects.

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 1: Atoms

In a one-dimensional particle in a box, for Ψ\PsiΨ 4,How many nodes are predicted?

Which of the following has the largest atomic radius?

Which of the following species is isoelectronic with S2-?

Which of the following has the smallest atomic radius?

Which of the following has the largest atomic radius?

Which of the following is a Lyman series UV band?

Which of the following has the largest effective nuclear charge?

Comparing the lowest energy transition, Δ\DeltaΔ , in1,3-butadiene(A) and 1,3,5,7-octatetraene(B), Δ\DeltaΔ EA is greater than Δ\DeltaΔ 0EB.

Because of fluorine's high electronegativity, less energy is required to make F2- from - than to make O2-from O-.

All the following are metalloids except:

Write the ground-state electron configuration of Ru2+.

Write the ground-state electron configuration of a tin(IV) ion.

Which of the following has the highest frequency?

What is implied about an electron in an atom when it is observed that it has discrete spectral lines?

All the following are diatomic gases except

What is the shortest-wavelength line in the emission spectrum of the hydrogen atom?

Which of the following statements is true?

Which of the following species is isoelectronic with Ra2+?

What wavelength does radiation possess when its frequency is 2.1 * 1015 Hz?

In everyday life, we have no difficulty in measuring both the velocity and position of objects.

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

In a one-dimensional particle in a box, for $\Psi$ ₄,How many nodes are predicted?

Which of the following species is isoelectronic with S^2-?

Comparing the lowest energy transition, $\Delta$ , in1,3-butadiene(A) and 1,3,5,7-octatetraene(B), $\Delta$ E_A is greater than $\Delta$ 0E_B.

Because of fluorine's high electronegativity, less energy is required to make F^2- from ^- than to make O^2-from O^-.

Write the ground-state electron configuration of Ru²⁺.

Which of the following species is isoelectronic with Ra²⁺?

What wavelength does radiation possess when its frequency is 2.1 * 10¹⁵ Hz?